Less than a month after being sentenced to death for killing a district attorney and his wife, the state has agreed to have former Justice of the Peace Eric Williams examined to see if his murderous rampage was triggered by a damaged brain.

A staggering one in six soldiers, who’ve served since 2001, may have post-traumatic stress disorder. The report underscores why doctors need every treatment option available some Dallas researchers think they’ can help.

An Alzheimer’s treatment from Eli Lilly and Co. failed to slow memory decline in two separate patient studies, but the drug did show some potential to help in mild cases of the mind-robbing condition that is notoriously difficult to treat.